Senior Architect Backend - T Cloud Public (REF5065A)

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team. Step into the engine room of Europe’s public cloud! At T Cloud Public, we don’t just operate a platform — we shape the future of secure, scalable, open-source cloud technology. Powered by agile ways of working, lean structures, and a passionate, high-performance team, we thrive in one of the most dynamic environments in the industry. If you’re a cloud enthusiast, a problem-solver, and a hands-on professional ready to tackle complex architectural and operational challenges, you’ll feel right at home with us. Why Join? Innovative Product: Work with a leading European cloud platform that drives digital sovereignty and serves as a strong alternative to hyperscalers. Architectural Impact: Influence the evolution of physical and virtual networks within our OpenStack-based cloud environment. Growth Opportunity: Be part of a rapidly expanding cloud organization with significant career advancement potential. Competitive Compensation: Attractive package based on experience, supplemented with comprehensive benefits. Dynamic Culture: Collaborative, supportive, and inclusive work environment with a focus on innovation, open source, and continuous learning. The challenges you’ll tackle as a Cloud Architect As a Cloud Architect for the T Cloud Public, you will shape the next generation of our public cloud by enhancing and evolving the physical and virtual networking layers of our OpenStack-based platform. Your responsibilities include: Designing, operating, and further developing OpenStack-based network services on the T Cloud Public platform in close collaboration with vendors and internal experts. Planning and driving automation initiatives using modern frameworks to improve reliability and speed. Enhancing the platform’s network architecture with strong focus on IT security and robustness. Working closely with specialists across the Deutsche Telekom Group on topics related to public cloud and open-source technologies. Preparing technical materials, presenting architectural concepts, and advising management on strategic technology decisions. Acting as a senior architect within an agile squad — supporting, mentoring, and guiding colleagues as part of everyday work. Handling hands-on tasks at the console to validate and support architectural decisions. You want to… • Improve the platform architecture while taking IT security seriously. • Design and develop innovative platform and software-as-a-service features. • Be a trusted advisor for OpenStack-based public cloud technology. • Hands-on work on a console to back your architectural work. • Consistently automate with common automation frameworks. • Working in a team of specialists where everyone helps each other in an open and trusting manner. Qualifications — Your Superpowers • Completed studies in a technical, engineering or scientific subject or comparable professional training. • min. 7 years of professional experience in IT with a focus on modern cloud technologies. • Very good knowledge of software-, cloud- and container-architectures. • Experience in infrastructure automation. • In-depth knowledge of Linux, system tools and network related services. • Strong customer orientation. • Knowledge of agile development processes. • Mentoring and presentation skills. • Ability to assess technical solutions and to come up with creative approaches. • OpenStack and programming experience in OpenSource projects are a plus. • Fluency in written and spoken English. • You will be working in the European Union to meet our clients' data security and privacy requirements. Please note: remote working is only possible from within Hungary due to European taxation regulations. * Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.